Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Philco 37-660 Hum
#2

If you haven't recapped the rest of the radio there maybe a leaky cap or two or three drawing excessive current. It is possible to have a bad tube with heater/cathode leakage. Check the 6F6 tubes, if one is really weak that could cause some hum. Just some thoughts.

Gregb


Messages In This Thread
Philco 37-660 Hum - by mgambuzza - 02-15-2014, 02:18 AM
RE: Philco 37-660 Hum - by gregb - 02-15-2014, 01:03 PM
RE: Philco 37-660 Hum - by morzh - 02-15-2014, 01:20 PM
RE: Philco 37-660 Hum - by mgambuzza - 02-15-2014, 04:52 PM
RE: Philco 37-660 Hum - by morzh - 02-15-2014, 04:56 PM
RE: Philco 37-660 Hum - by mgambuzza - 02-17-2014, 08:31 AM
RE: Philco 37-660 Hum - by morzh - 02-17-2014, 12:47 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 42-345 Restoration/Repair
The 2 towns you mentioned "Frustrated" and "Give Up" are places we have all been. Relax, take 5, thi...Paul Philco322 — 03:23 PM
Philco 89 Code 123 Osc Coil
Thanks for posting that information!klondike98 — 03:14 PM
Philco 42-345 Restoration/Repair
From what I see is the blue cap was added by someone after the radio was sold presumably to replace cap 40A. I can't tel...RodB — 03:12 PM
Philco 42-345 Restoration/Repair
Correction My original picture shows #40 cap, blue cap and #42 resistor connected.osanders0311 — 02:23 PM
Philco 42-345 Restoration/Repair
Well guys I am stuck, frustrated and about ready to give up. For starters all I'm getting from the speaker is a humming ...osanders0311 — 02:17 PM
[split] New member...
Thanks.  I'll try that.HowardWoodard — 01:13 PM
[split] New member...
You may have to start further back with your signal injection at the IF signal grid, then tune the second IF transformer...RodB — 10:28 AM
[split] New member...
Well, with the replacement tuning assembly, I have finally put the unit back together and aligned the dial.  The first s...HowardWoodard — 01:01 AM
Philco Model 16 wiring question
Well, finding a short is easy. Like I said, disconnect the transformer's secondary windings and see if it persists. If...morzh — 09:48 PM
Restoring Philco 96
Nice one!Stan the Man — 09:37 PM

[-]
Who's Online
There are currently 1099 online users. [Complete List]
» 4 Member(s) | 1095 Guest(s)
AvatarAvatarAvatarAvatar

>